When Sinister Sampler enters, exile up to one target artifact and up to one target artifact card in a graveyard.
{2}{VP}{U}{B}, {T}: Create a token that's a copy of a card exiled with Sinister Sampler. Activate only as a sorcery.

Enchant artifact or creature
Enchanted permanent loses all abilities and doesn't untap during its controller's untap step.
Wander {3}{U}{U}

Choose one —
• Exile target noncreature spell.
• Return target creature spell to its owner's hand. Draw a card.

Counter target spell unless its controller pays {4}. You may untap a land.

Siphon the Divine gains “Creatures your opponents control lose hexproof and indestructible and can't have or gain hexproof and indestructible.”
Target creature you control fights up to one target creature.
Exile target player's graveyard.

Ward—Pay 3 life.
Whenever another creature you control dies, put your choice of counter from among lifelink, deathtouch, menace or +1/+1 on Sire of Bloodlines.

Menace
{VP}{VP}: Sizzling Star gets +1/+0 until end of turn.

When Skarni Patrol enters, if you control an Equipment, you draw a card and you lose 1 life.
Pay 2 life: The next equip ability you activate this turn costs {2} less to activate. Activate only once each turn.

Whenever Skarni Raider attacks, if it's equipped, you draw a card and you lose 1 life.

Equipped creature gets +3/+0 and has menace.
Whenever a creature you control enters, if it wasn't cast, you may attach Skeleton Keytar to it.
Equip {5}

Whenever a permanent you control enters, you may put a living counter on it.
Permanents with living counters on them are 2/2 artifact creatures in addition to their other types.

Trample
Whenever Skittertiller deals combat damage to a player, put a +1/+1 counter on it.

Whenever you cast a green spell, choose up to X, where X is the number of green mana symbols in that spell's mana cost —
• Create a 1/1 white Human creature token.
• Put a +1/+1 counter on a creature you control.
• Put a trample counter, vigilance counter, or a reach counter on a creature you control.
• Untap target land.

Trample
Whenever another creature you control becomes the target of a spell you control, create a token that's a copy of that creature, except it has haste. Sacrifice that token at the beginning of the next end step.

As an additional cost to cast this spell, sacrifice a creature.
When Skophos Conqueror enters, draw a card. Skophos Conqueror deals 2 damage to each opponent.

Trample
Whenever Skophos Raid-Veteran deals combat damage to a player or planeswalker or becomes the target of a spell you control, create a tapped Treasure token.

Menace
Whenever your Champion attacks, you may discard a card. If you do, draw a card.

When Skophos Warden enters, you may exile target artifact or enchantment an opponent controls until Skophos Warden leaves the battlefield.

Whenever Skotha enters or attacks, target player discards a card and you untap all lands you control.
{2}{B}{G}: Return Skotha from your graveyard to the battlefield, then put it on the bottom of its owner's library. Activate only as a sorcery.

Flying
When Skylance Escort enters, put a vigilance counter on each creature you control.

Choose one —
• Skysnipe deals 5 damage to target creature with flying.
• Put a +1/+1 counter and a reach counter on target creature. Untap it.

Whenever you cast an instant or sorcery spell, Skyward Magus gets +1/+1 and gains flying until end of turn.

Menace
Other creatures you control with menace get +1/+1.
Whenever a creature you control with menace becomes blocked, each opponent loses 1 life.

Sleeper Insurgent doesn't untap during your untap step.
Whenever Sleeper Insurgent becomes the target of a spell or ability you control, untap it. This ability triggers only once each turn.

Flash
Flying
When Sleeper Strix enters, tap up to one target creature.
Whenever you surveil, you may return Sleeper Strix to its owner's hand.